Publications

Journal Articles

  1. Li GZ, Matlock TS, Goebel DM, Dodson CA, Matthes CS, Ghoniem NM, et al. In situ plasma sputtering and angular distribution measurements for structured molybdenum surfaces. Plasma Sources Science and Technology. 2017;26(6).
  2. Matthes CS, Ghoniem NM, Li GZ, Matlock TS, Goebel DM, Dodson CA, et al. Fluence-dependent sputtering yield of micro-architectured materials. Applied Surface Science. 2017;407:223-235.
  3. Patino MI, Raitses Y, Wirz RE. Secondary Electron Emission from Plasma-Generated Nanostructured Tungsten Fuzz. Applied Physics Letters. 2016;109(201602).
  4. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Development and Initial Testing of a Magnetically Shielded Miniature Hall Thruster. IEEE Transactions on Plasma Science Special Issue on Plasma Propulsion. 2015;PP(99).
  5. Patino M, Raitses Y, Koel B, Wirz RE. Analysis of Secondary Electron Emission for Conducting Materials Using LEED Optics. Journal of Physics D: Applied Physics. 2015;48(195204).
  6. Tse LA, Wirz RE, Lavine AS. Optimal Operation Strategies For Thermal Energy Storage Systems In Solar Thermal Power Plants. Solar Energy Engineering. 2015;ES2015-49053:V002T18A001.
  7. Tse LA, Ganapathi GB, Wirz RE, Lavine AS. Spatial and Temporal Modeling of Sub- and Supercritical Thermal Energy Storage. Solar Energy. 2014;103:402-410.
  8. Bran-Anleu G, Wirz RE, Lavine AS, H Kavehpour P. An Algorithm to Determine the Optimized Data Range in Transient Hotwire Thermal Property Measurement. Review of Scientific Instruments. 2014.
  9. Lakeh RB, Lavine AS, H Kavehpour P, Wirz RE. Study of Turbulent Natural Convection in Vertical Storage Tubes for Supercritical Thermal Energy Storage. Numerical Heat Transfer, Part A: Applications. 2014;67(2):119-139.
  10. Matlock TS, Goebel DM, Conversano RW, Wirz RE. A dc plasma source for plasma–material interaction experiments. Plasma Sources Science and Technology. 2014.
  11. Roth-Johnson P, Wirz RE, Lin E. Structural design of spars for 100-m biplane wind turbine blades. Renewable Energy. 2014;71(November):133-155.
  12. Roth-Johnson P, Wirz RE. Aero-structural investigation of biplane wind turbine blades. Wind Energy. 2014;17(3):397-411.
  13. Dankongkakul B, Araki SJ, Wirz RE. Magnetic field structure influence on primary electron cusp losses for micro-scale discharges. Physics of Plasmas. 2014;21(4).
  14. Mao H-, Wirz RE. Plasma Structure of Miniature Ring-Cusp Ion Thruster Discharges. Journal of Propulsion and Power. 2014;30:628-636.
  15. Araki SJ, Wirz RE. Particle Weighting Algorithm for PIC Simulations in a Non-Uniform 2D Axisymmetric Mesh. Journal of Computational Science. 2014.
  16. Bran-Anleu G, Lavine AS, Wirz RE, Kavehpour HP. Algorithm to optimize transient hot-wire thermal property measurement. Review of Scientific Instruments. 2014;85.
  17. Lakeh RB, Lavine AS, H Kavehpour P, Ganapathi GB, Wirz RE. Effect of Laminar and Turbulent Buoyancy-Driven Flows on Thermal Energy Storage using Supercritical Fluids. Numerical Heat Transfer, Part A: Applications. 2013;64:955-973.
  18. Chu E, Goebel DM, Wirz RE. Reduction of Energetic Ion Production in Hollow Cathodes by External Gas Injection. Journal of Propulsion and Power. 2013:1-9.
  19. Conversano RW, Wirz RE. Mission Capability Assessment of CubeSats Using a Miniature Ion Thruster. AIAA Journal of Spacecraft and Rockets. 2013;50(5):1035-1046.
  20. Araki SJ, Wirz RE. Ion–Neutral Collision Modeling Using Classical Scattering With Spin-Orbit Free Interaction Potential. IEEE Transactions on Plasma Science. 2013;41:470-480.
  21. Tarzi Z, Speyer J, Wirz RE. Fuel optimum low-thrust elliptic transfer using numerical averaging. Acta Astronautica. 2013;86:95-118.
  22. Mao H-, Wirz RE. Quasi-equilibrium electron density along a magnetic field line. Applied Physics Letters. 2012;101:224106.
  23. Wirz RE, Anderson JR, Katz I. Time-Dependent Erosion of Ion Optics. Journal of Propulsion and Power. 2011;27(1).
  24. Wirz RE, Shariff SS. Ground Effects for Widely Spaced, Supersonic, Vertical Retrorockets. Journal of Spacecraft and Rockets. 2009;46:599-605.
  25. Wirz RE, Anderson JR, Goebel DM, Katz I. Decel Grid Effects on Ion Thruster Grid Erosion. IEEE Transactions on Plasma Science. 2008;36:2122-2129.
  26. Wirz RE, Goebel DM. Effects of magnetic field topography on ion thruster discharge performance. Plasma Sources Science and Technology. 2008;17:035010.
  27. Wirz RE, Sullivan R, Przybylowski JH, Silva M. Hollow Cathode and Low-Thrust Extraction Grid Analysis for a Miniature Ion Thruster. International Journal of Plasma Science and Engineering. 2008;2008:1-11.
  28. Hofer RR, Johnson L, Goebel DM, Wirz RE. Effects of Internally Mounted Cathodes on Hall Thruster Plume Properties. IEEE Transactions on Plasma Science. 2008;36:2004-2014.
  29. Goebel DM, Wirz RE. Analytical Ion Thruster Discharge Performance Model. Journal of Propulsion and Power. 2007;23(5):1055-1067.

Conference Papers

  1. Li GZ, Dodson CA, Wirz RE, Matlock TS, Goebel DM. Implementation of in situ diagnostics for sputter yield measurements in a focused plasma. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum. Salt Lake City, UT; 2016.
  2. Dankongkakul B, Wirz RE. Design of Miniature Ring-Cusp Ion Thrusters via Analysis of Discharge EEDF and Plasma Parameter Mapping. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum,. Salt Lake City, UT; 2016.
  3. Dodson CA, Perez-Grande D, Jorns BA, Goebel DM, Wirz RE. Laser-induced Fluorescence Measurements of Energetic Ions in a 100-A LaB6 Hollow Cathode Plume. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum,. Salt Lake City, UT; 2016.
  4. Huerta CE, Wirz RE. Surface Geometry Effects on Secondary Electron Emission Via Monte Carlo Modeling. In: 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Propulsion and Energy Forum. Salt Lake City, UT; 2016.
  5. Conversano RW, Goebel DM, Hofer RR, Mikellides IG, Katz I, Wirz RE. Development and Validation Overview for the Design of Low Power Magnetically Shielded Hall Thrusters. In: 62nd JANNAF Propulsion Meeting.; 2015.
  6. Conversano RW, Goebel DM, Hofer RR, Mikellides IG, Katz I, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Design Improvement and Performance Analysis. In: 34th International Electric Propulsion Conference. Kobe, Japan; 2015.
  7. Tse LA, Wirz RE, Lavine AS. Optimal Operation Strategies For Thermal Energy Storage Systems In Solar Thermal Power Plants. In: ASME 9th International Conference on Energy Sustainability.; 2015.
  8. Huerta CE, Matlock TS, Wirz RE. Validation of a Plasma-Facing Surface Sputtering and Deposition View Factor Model. In: SPACE 2015.; 2015.
  9. Araki SJ, Wirz RE. Modeling of Elastic Collisions between High Energy and Slow Neutral Atoms. In: 34th International Electric Propulsion Conference. Kobe, Japan; 2015.
  10. Conversano RW, Goebel DM, Mikellides IG, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Performance Assessment and Status Update. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  11. Conversano RW, Arora N, Goebel DM, Wirz RE. Preliminary Mission Capabilities Assessment of a Magnetically Shielded Miniature Hall Thruster. In: 65th International Aerospace Congress. Toronto, Canada; 2014.
  12. Araki SJ, Wirz RE. Magnetic Field Aligned Mesh for Ring-Cusp Discharge Chambers. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  13. Tse LA, Lakeh RB, Wirz RE, Lavine AS. Exergy-based Optimization of Sub- and Supercritical Thermal Energy Storage Systems. In: 8th International Conference on Energy Sustainability. Boston, Massachusetts: ASME; 2014.
  14. Conversano RW, Goebel DM, Mikellides IG, Hofer RR, Matlock TS, Wirz RE. Performance Validation and Analysis of a Magnetically Shielded Miniature Hall Thruster. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Cleveland, OH; 2014.
  15. Dodson CA, Wirz RE, Matlock TS. Computational Modeling of a High Power Plasma Source for Material Interaction Experiments. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  16. Araki SJ, Wirz RE. Particle Simulation of Near-Surface Cusp Confinement of Weakly Ionized Plasma. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C., USA; 2013.
  17. Matlock TS, Goebel DM, Wirz RE. Characterization of a High-Flux Plasma Source. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  18. Dankongkakul B, Araki SJ, Wirz RE. Influence of Upstream Field Structure on Primary Electron Loss for a Permanent Magnet Cusp. In: 49th AIAA/ASME/SAE/ASEE Joint PropulsionConference. American Institute of Aeronautics and Astronautics; 2013. (Joint Propulsion Conferences).
  19. Dankongkakul B, Araki SJ, Wirz RE. Measurements and Analysis of a Permanent Magnet Cusp Confined Plasma Near the Anode Surface. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  20. Matlock TS, Conversano RW, Goebel DM, Wirz RE. The Plasma-Material Interactions Facility at UCLA. In: 49th AIAA/ASME/SAE/ASEE Joint PropulsionConference. American Institute of Aeronautics and Astronautics; 2013. (Joint Propulsion Conferences).
  21. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature Hall Thruster: Development and Initial Testing. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C., USA; 2013.
  22. Furst BI, Lavine AS, Lakeh RB, Wirz RE. Isobaric, Isochoric and Supercritical Thermal Energy Storage in R134a. In: ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013. San Diego, CA: ASME; 2013.
  23. Patino MI, Raitses Y, Koel BE, Wirz RE. Application of Auger Spectroscopy for Measurement of Secondary Electron Emission from Conducting Materials for Electric Propulsion Devices. In: 33rd International Electric Propulsion Conference. George Washington University, Washington D.C, USA; 2013.
  24. Ganapathi GB, Berisford D, Furst B, Bame D, Pauken M, Wirz RE. A 5 kWht lab scale demonstration of a novel TES concept with supercritical fluids. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  25. Tse LA, Stopin A, Ganapathi GB, Garcia-Garibay MA, Wirz RE. Thermal Testing of Organic Fluids for Supercritical Thermal Energy Storage Systems. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  26. Lakeh RB, Lavine AS, H Kavehpour P, Ganapathi GB, Wirz RE. Effect of natural convection on thermal energy storage using supercritical fluids. In: ASME 2013 7th International Conference on Energy Sustainability. Minneapolis, Minnesota; 2013.
  27. Dankongkakul B, Araki SJ, Wirz RE. Electron Loss at a Magnetic Cusp for a Range of Upstream Magnetic Field Conditions. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  28. Furst B, Lavine AS, Lakeh RB, Wirz RE. Isobaric, Isochoric and Supercritical Thermal Energy Storage in R134a. In: ASME 2013 International Mechanical Engineering Congress and Exposition. San Diego, California; 2013.
  29. Bran-Anleu G, H Kavehpour P, Lavine AS, Lakeh RB, Wirz RE. An Algorithm to Determine the Optimized Data Range in Transient Hotwire Thermal Property Measurement. In: ASME 2013 International Mechanical Engineering Congress and Exposition2. San Diego, California; 2013.
  30. Matlock TS, Goebel DM, Conversano RW, Wirz RE. Near Anode Plasma in the Plasma Interaction Facility at UCLA. In: 33rd International Electric Propulsion Conference. Washington, D.C.; 2013.
  31. Lakeh RB, H Kavehpour P, Lavine AS, Ganapathi GB, Wirz RE. Study of turbulent natural convection in vertical storage tubes for supercritical thermal storage system. In: ASME 2013 International Mechanical Engineering Congress and Exposition. San Diego, California; 2013.
  32. Tse LA, Ganapathi GB, Wirz RE, Lavine AS. System Modeling for a Supercritical Thermal Energy Storage System. In: ASME 2012 6th International Conference on Energy Sustainability. ASME; 2012. 6. p. 691-698p.
  33. Stopin A, Ganapathi GB, Wirz RE, Garcia-Garibay M. Stability of organic fluids at high temperature for thermal energy storage. In: ASME 6th International Conference on Energy Sustainability.; 2012.
  34. Ganapathi GB, Wirz RE. High Density Thermal Energy Storage With Supercritical Fluids. In: ASME 2012 6th International Conference on Energy Sustainability, Parts A and B. ASME; 2012. 6. p. 699-707p.
  35. Wirz RE, Dankongkakul B, Araki SJ. Near-Surface Cusp Confinement for Weakly Ionized Plasma. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference . Atlanta, GA; 2012.
  36. Ganapathi GB, Wirz RE. High Density Thermal Energy Storage With Supercritical Fluids. In: ASME 2012 6th International Conference on Energy Sustainability, Parts A and B. ASME; 2012. 6. p. 699-707p.
  37. Mao H-, Wirz RE, Goebel DM. Plasma Structure of Miniature Ring-Cusp Ion Thruster Discharges. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics; 2012.
  38. Patino M, Chu L, Wirz RE. Ion-Neutral Collision Analysis for a Well-Characterized Plasma Experiment. In: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2012. (Joint Propulsion Conferences).
  39. Wirz RE, Johnson PM. Aero-Structural Performance of Multiplane Wind Turbine Blades. In: 29th AIAA Applied Aerodynamics Conference. Honolulu, HI: AIAA; 2011. 1. p. 1-15p.
  40. Wirz RE, Chu L, Patino M. Well-characterized plasma experiments for validation of computational models. In: 32nd International Electric Propulsion Conference. Wiesbaden, Germany; 2011.
  41. Wirz RE, Katz I, Goebel DM, Anderson JR. Electron Backstreaming Determination for Ion Thrusters. In: Journal of Propulsion and Power. Vol 27. American Institute of Aeronautics and Astronautics; 2011. 2. p. 206-210p. (Joint Propulsion Conferences; vol 27).
  42. Wirz RE, Anderson JR, Katz I, Goebel DM. Time-Dependent Erosion of Ion Optics. In: Journal of Propulsion and Power. Vol 27. American Institute of Aeronautics and Astronautics; 2011. 2. p. 211-217p. (Joint Propulsion Conferences; vol 27).
  43. Mao H-, Wirz RE. Comparison of Charged Particle Tracking Methods for Non-Uniform Magnetic Fields. In: 42nd AIAA Plasmadynamics and Lasers Conference. American Institute of Aeronautics and Astronautics; 2011. (Fluid Dynamics and Co-located Conferences).
  44. Araki SJ, Wirz RE. Collision Modeling for High Velocity Ions in a Quiescent Gas. In: 42nd AIAA Plasmadynamics and Lasers Conference. American Institute of Aeronautics and Astronautics; 2011. (Fluid Dynamics and Co-located Conferences).
  45. Conversano RW, Wirz RE. CubeSat Lunar Mission Using a Miniature Ion Thruster. In: 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. San Diego, CA, USA: AIAA; 2011. (Joint Propulsion Conferences).
  46. Tarzi Z, Speyer J, Wirz RE. Optimum Low-Thrust Elliptical Transfer for Power Limited Spacecraft using Numerical Averaging and Continuously Variable Thrust. In: Proceedings of the 21st AAS/AIAA Spaceflight Mechanics Meeting. New Orleans, Louisiana; 2011.
  47. Wirz RE. Coupled Analysis of Ion Thruster Grid Erosion and Electron Backstreaming. In: Space Propulsion 2010. San Sebastian, Spain; 2010.
  48. Marrese-Reading CM, Ziemer JK, Scharf DP, Martin-Mur TJ, Thompson P, Mueller J, et al. Mission enabling and enhancing spacecraft capabilities with microNewton electric propulsion. In: 2010 IEEE Aerospace Conference. IEEE; 2010. 1. p. 1-10p.
  49. Tarzi Z, Speyer J, Wirz RE, Angeles L. Optimum Low-Thrust Transfer between Arbitrary Elliptic Orbits for Power-Limited Spacecraft using Asymptotic. In: 31st International Electric Propulsion Conference.; 2009. 1. p. 1-22p.
  50. Wirz RE. Long Duration Assessment of Electron Backstreaming for Ion Optics. In: 31st International Electric Propulsion Conference.; 2009. 1. p. 1-10p.
  51. Marrese-Reading CM, St.Vaughn J, Prakash R, Singh G, Frisbee R, Mandic M, et al. Orion spacecraft nominal and contingency earth landing retro rocket system options. In: 2009 IEEE Aerospace conference. IEEE; 2009. 1. p. 1-16p.
  52. Marrese-Reading CM, Ziemer JK, Scharf DP, Wirz RE. MicroNewton Electric Propulsion Requirements to Enhance or Enable Future NASA Missions. In: 31st International Electric Propulsion Conference. Ann Arbor, Michigan; 2009.
  53. Lengyel A, Wirz RE. Miniature Valve for Xenon Thrusters. In: 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2008. (Joint Propulsion Conferences).
  54. Goebel DM, Polk J, Wirz RE, Snyder J, Mikellides I, Katz I, et al. Qualification of Commercial XIPS Ion Thrusters for NASA Deep Space Missions. In: 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2008. (Joint Propulsion Conferences).
  55. Martin SR, Scharf DP, Wirz RE, Lay O, McKinstry D, Mennesson B, et al. Design Study for a Planet-Finding Space Interferometer. In: 2008 IEEE Aerospace Conference. IEEE; 2008. 1. p. 1-19p.
  56. Wirz RE. Ground Effects Due to CEV Retrorockets. In: 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2007. (Joint Propulsion Conferences).
  57. Martin SR, Scharf DP, Wirz RE, Lay O, McKinstry D, Mennesson B, et al. TPF-Emma: concept study of a planet finding space interferometer. In: Coulter DR, editor. Proc. SPIE 6693. Vol 669309.; 2007. (Techniques and Instrumentation for Detection of Exoplanets III; vol 669309).
  58. Goebel DM, Wirz RE, Katz I. Analytical Ion Thruster Discharge Performance Model. In: Journal of Propulsion and Power. Vol 23. American Institute of Aeronautics and Astronautics; 2007. 1. p. 1055-1067p. (Joint Propulsion Conferences; vol 23).
  59. Wirz RE, Anderson JR, Goebel D, Katz I. XIPS Ion Thruster Grid Erosion Assessment. In: 30th International Electric Propulsion Conference. Florence, Italy; 2007.
  60. Wirz RE, Goebel DM. Ion Thruster Discharge Performance per Magnetic Field Topography. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  61. Wirz RE, Sullivan R, Przybylowski JH, Silva M. Discharge Hollow Cathode and Extraction Grid Analysis for the MiXI Ion Thruster. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  62. Katz I, Mikellides I, Goebel DM, Jameson K, Wirz RE, Johnson L. Production of High Energy Ions Near an Ion Thruster Discharge Hollow Cathode. In: 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2006. (Joint Propulsion Conferences).
  63. Katz I, Mikellides I, Wirz RE, Anderson JR, Goebel DM. Ion Thruster Life Models. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  64. Li Y-, Hamlin LA, Wirz RE, Adams D, Moore G, Coppolino R, et al. Dynamic simulations for the Terrestrial Planet Finder interferometer. In: MacEwen HA, editor. Proc. SPIE 5899. Vol 589904.; 2005. (UV/Optical/IR Space Telescopes: Innovative Technologies and Concepts II; vol 589904).
  65. Wirz RE, Katz I. Plasma Processes of DC Ion Thruster Discharge Chambers. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  66. Wirz RE. Computational Modeling of a Miniature Ion Thruster Discharge. In: 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2005. (Joint Propulsion Conferences).
  67. Wirz RE, Katz I. 2-D Discharge Chamber Model for Ion Thrusters. In: 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2004. (Joint Propulsion Conferences).
  68. Wirz RE, Mueller J, Gale M, Marrese C. Miniature Ion Thruster for Precision Formation Flying. In: 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2004. (Joint Propulsion Conferences).
  69. Wirz RE, Goebel DM, Marrese C, Mueller J. Development of Cathode Technologies for a Miniature Ion Thruster. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  70. Katz I, Anderson JR, Polk J, Brophy J. Plasma Generation Near an Ion Engine Discharge Chamber Hollow Cathode. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  71. Wirz RE, Katz I. A Preliminary 2-D Computational Model of an Ion Thruster Discharge Chamber. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics; 2003. (Joint Propulsion Conferences).
  72. Katz I, Anderson JR, Goebel DM, Wirz RE, Sengupta A. Plasma Generation Near an Ion Thruster Discharge Chamber Hollow Cathode. In: 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Hunstville, AL; 2003.
  73. Wirz RE, Polk J, Marrese C, Mueller J. Experimental and Computational Investigation of the Performance of a Micro-Ion Thruster. In: 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics; 2002. (Joint Propulsion Conferences).
  74. Wirz RE, Polk J, Marrese C, Mueller J, Escobedo J, Sheehan P. Development and Testing of a 3cm Electron Bombardment Micro-Ion Thruster. In: 27th International Electric Propulsion Conference.; 2001. 1. p. 1-12p.
  75. Mueller J, Ziemer JK, Hofer RR, Wirz RE, O'Donnell T. A Survey of Micro-Thrust Propulsion Options for Microspacecraft and Formation Flying Missions. In: 5th Annual CubeSat Developers Workshop. San Luis Obispo, CA.

Presentations

  1. Conversano RW, Goebel DM, Hofer RR, Matlock TS, Wirz RE. Magnetically Shielded Miniature (MaSMi) Hall Thruster.; 2014.
  2. Roth-Johnson P, Chiu PK, Wirz RE. Biplane wind turbine blades: aero-structural design studies.; 2014.
  3. Roth-Johnson P, Chiu PK, Wirz RE. Advanced biplane blade design for large-scale wind turbines.; 2014.
  4. Roth-Johnson P, Roth-Johnson E, Alvarez K, Choi J, Wirz RE, Carman G. Building Engineers and Mentors: Bringing science and engineering to Los Angeles schools.; 2013.
  5. Roth-Johnson E, Roth-Johnson P, Alvarez K, Choi J, Wirz RE, Carman G. Building Engineers and Mentors: Planning for the Future.; 2013.
  6. Choi D, Wirz RE, Ganapathi GB, H Kavehpour P. Numerical Simulation of Heat Transfer to a Supercritical Thermal Fluid .; 2012.

Patents

  1. Conversano RW, Goebel DM, Wirz RE. Magnetically Shielded Miniature Hall Thruster.; 2014.
  2. Roth-Johnson P, Wirz RE. High-Strength Wind Turbine Blades and Wings.; 2013.
  3. Wirz RE, Stopin A, Lavine AS, H Kavehpour P, Garcia-Garibay M, Lakeh RB, et al. High-Density, High-Temperature Thermal Energy Storage And Retrieval.; 2013.
  4. Furst BI, Wirz RE, Lavine AS, H Kavehpour P, Lakeh RB. High Density Thermal Energy Storage System at the Thermodynamic Critical Point.; 2013.
  5. Furst BI, Wirz RE, Lavine AS. Thermal Property Measurement Device.; 2013.